[jcifs] "Enable Integrated Windows Authentication" doesn't seem to matter?

[Jonathan D Trumbull]

All,

I have playing with the jCIFS Servlet filter (on resin 3.0.9) and it works 
very nicely.  The only "problem" I am having is that the "Enable 
Integrated Windows Authentication" option in IE doesn't seem to make a 
difference when connecting (testing using IE 6.0 SP1 under W2K SP4).  Even 
if it's disabled (and the browser is restarted) when I visit my test site, 
I am not prompted for my credentials--it just pulls these from my current 
logon.  This is actually _good_ for my intended purpose, but it bothers me 
that I don't understand what's happening.  I poked around on google and 
the MS KB but everything I read seems to indicate that it should prompt me 
for credentials when this option is disabled regardless of whether I am 
using NTLM or Kerberos.

Can anyone point me to a reference that sheds some light on this behavior? 
 Thanks!

--Jonathan
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